Three 15-year-old students are accused of beating a younger student aboard a school bus in Pinellas County, Fla.
WFLA-TV reports that abus driver from Lealman Intermediate School in St. Petersburg called for help when three students "ganged up" on a 13-year-old student, kicking and punching the victim.
The driver stopped the bus, and the suspects used the emergency exit of the bus to escape, but were arrested a short time later. The victim suffered a fractured arm. All three teens are charged with aggravated battery.